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Fig 4.

Equivalent circuit

aaa-009760

40 kΩ

80 kΩ

42 kΩ

1.6

kΩ

FULL WAVE

RECT.

VOLT

REG

VOLT

REG

12

GND

345678

16

15

14

13

GND

12

11

10

9

BAND

GAP VOLT

VOLTAGE/

CURRENT CONVERTER

40 kΩ

2 kΩ

2 kΩ

55 kΩ

55 kΩ

40 kΩ

80 kΩ

40 kΩ

80 kΩ

4.5 kΩ

42 kΩ

8 kΩ

1.6

kΩ

35 kΩ

700 Ω

700 Ω

7 kΩ

FULL WAVE

RECT.

QUAD

DET

MUTE